Simple tenses • Continuous tenses • Conditional • Imperative • Impersonal

Present

Iunderpin
youunderpin
he/she/itunderpins
weunderpin
youunderpin
theyunderpin

Past

Iunderpinned
youunderpinned
he/she/itunderpinned
weunderpinned
youunderpinned
theyunderpinned

Present Perfect

Ihaveunderpinned
youhaveunderpinned
he/she/ithasunderpinned
wehaveunderpinned
youhaveunderpinned
theyhaveunderpinned

Past Perfect

Ihadunderpinned
youhadunderpinned
he/she/ithadunderpinned
wehadunderpinned
youhadunderpinned
theyhadunderpinned

Will-Future

Iwillunderpin
youwillunderpin
he/she/itwillunderpin
wewillunderpin
youwillunderpin
theywillunderpin

Going to-Future

Iamgoing tounderpin
youaregoing tounderpin
he/she/itisgoing tounderpin
wearegoing tounderpin
youaregoing tounderpin
theyaregoing tounderpin

Future Perfect

Iwill haveunderpinned
youwill haveunderpinned
he/she/itwill haveunderpinned
wewill haveunderpinned
youwill haveunderpinned
theywill haveunderpinned
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Simple tenses • Continuous tenses • Conditional • Imperative • Impersonal

Present

Iamunderpinning
youareunderpinning
he/she/itisunderpinning
weareunderpinning
youareunderpinning
theyareunderpinning

Past

Iwasunderpinning
youwereunderpinning
he/she/itwasunderpinning
wewereunderpinning
youwereunderpinning
theywereunderpinning

Present Perfect

Ihave beenunderpinning
youhave beenunderpinning
he/she/ithas beenunderpinning
wehave beenunderpinning
youhave beenunderpinning
theyhave beenunderpinning

Past Perfect

Ihad beenunderpinning
youhad beenunderpinning
he/she/ithad beenunderpinning
wehad beenunderpinning
youhad beenunderpinning
theyhad beenunderpinning

Will-Future

Iwill beunderpinning
youwill beunderpinning
he/she/itwill beunderpinning
wewill beunderpinning
youwill beunderpinning
theywill beunderpinning

Going to-Future

Iamgoing to beunderpinning
youaregoing to beunderpinning
he/she/itisgoing to beunderpinning
wearegoing to beunderpinning
youaregoing to beunderpinning
theyaregoing to beunderpinning

Future Perfect

Iwill have beenunderpinning
youwill have beenunderpinning
he/she/itwill have beenunderpinning
wewill have beenunderpinning
youwill have beenunderpinning
theywill have beenunderpinning
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Simple tenses • Continuous tenses • Conditional • Imperative • Impersonal

Conditional

Iwouldunderpin
youwouldunderpin
he/she/itwouldunderpin
wewouldunderpin
youwouldunderpin
theywouldunderpin

Conditional Past

Iwould haveunderpinned
youwould haveunderpinned
he/she/itwould haveunderpinned
wewould haveunderpinned
youwould haveunderpinned
theywould haveunderpinned
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Simple tenses • Continuous tenses • Conditional • Imperative • Impersonal

underpin
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Simple tenses • Continuous tenses • Conditional • Imperative • Impersonal

ing-Form

underpinning

Past Participle

underpinned
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