1) Simple: flies, flies, flies, flies Perfect: have flown, have flown, have flown, have flown Progressive: flying, flying, flying, flying
2) Simple: reads, reads, reads, reads Perfect: has read, has read, has read, has read Progressive: reading, reading, reading, reading
3) Simple: takes, takes, takes, takes Perfect: has taken, has taken, has taken, has taken Progressive: taking, taking, taking, taking
4) Simple: watches, watches, watches, watches Perfect: has watched, has watched, has watched, has watched Progressive: watching, watching, watching, watching
1) Simple: flies, flies, flies, flies
Perfect: have flown, have flown, have flown, have flown
Progressive: flying, flying, flying, flying
2) Simple: reads, reads, reads, reads
Perfect: has read, has read, has read, has read
Progressive: reading, reading, reading, reading
3) Simple: takes, takes, takes, takes
Perfect: has taken, has taken, has taken, has taken
Progressive: taking, taking, taking, taking
4) Simple: watches, watches, watches, watches
Perfect: has watched, has watched, has watched, has watched
Progressive: watching, watching, watching, watching